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Sapphire Tech

Sapphire Tech Pulse Radeon RX 6600 8GB GDDR6 graphics card 11310-04-20G

SKU CH-8SZA-7EBA4 MPN 11310-04-20G

Refurbished RDNA 2 GPU with 1792 stream processors, 8 GB GDDR6 on a 128-bit bus, and boost clock to 2491 MHz

  • InterfacePCI Express 4.0
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 6000 Series
  • GPURadeon RX 6600
  • ArchitectureRDNA 2
  • Game Clock2044 MHz
  • 8GB GDDR6 memory handles modern textures at 14000 MHz
  • Boost clock reaches 2491 MHz for responsive 1080p gaming
  • PCI Express 4.0 interface provides high bandwidth to the CPU
  • Dual-fan cooler keeps the 140W TDP card running quietly
  • HDMI 2.1 and DisplayPort 1.4 drive two displays up to 7680 x 4320

Pulse RX 6600 8GB for 1080p gaming

The Sapphire Pulse Radeon RX 6600 delivers 8GB GDDR6 memory on a 128-bit bus with a 2491 MHz boost clock. It targets players who want smooth 1080p performance in modern titles using the RDNA 2 architecture and PCI Express 4.0 interface.

Upgrade from older 4GB or 6GB cards

Moving up from an older 4GB or 6GB model makes sense when current games exceed the frame buffer at 1080p high settings. The 8GB capacity and 14000 MHz effective memory clock remove that bottleneck while the 1792 stream processors handle heavier shader loads.

Practical limits of PCIe 4.0 x8 and 128-bit memory

The GPU operates on a PCIe 4.0 x8 electrical link so bandwidth halves on a PCIe 3.0 platform. The 128-bit memory interface caps throughput at 14000 MHz effective, limiting 1440p ultra texture packs. A 500W power supply and 8-pin connector are required.

Highlights

  • 8GB GDDR6 memory handles modern textures at 14000 MHz
  • Boost clock reaches 2491 MHz for responsive 1080p gaming
  • PCI Express 4.0 interface provides high bandwidth to the CPU
  • Dual-fan cooler keeps the 140W TDP card running quietly
  • HDMI 2.1 and DisplayPort 1.4 drive two displays up to 7680 x 4320

Specifications

BrandSAPPHIRE
SeriesPULSE
Model11310-04-20G
InterfacePCI Express 4.0
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 6000 Series
GPURadeon RX 6600
ArchitectureRDNA 2
Game Clock2044 MHz
Boost Clock2491 MHz
Stream Processors1792
Effective Memory Clock14000 MHz
Memory Size8GB
Memory Interface128-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support2
HDMI1 x HDMI 2.1
DisplayPort1 x DisplayPort 1.4
Max Resolution7680 x 4320
Virtual Reality ReadyYes
CoolerDouble Fans
Thermal Design Power140W
System RequirementsPCI Express compatible motherboard with one x16 PCIe slot.
Minimum 500W or greater power supply NOTE: Minimum recommended system power supply wattage is based on the specific graphics card and the typical power requirements of other system components. Your system may require more or less power. OEM and other pre-assembled PCs may have different power requirements.
Minimum 8GB of system memory. Recommended 16GB.
Installation software requires a keyboard, a mouse, and a display.
A display with HDMI, or DisplayPort is required.
Supported operating systems include Linux, Windows 7*, Wind
Recommended PSU Wattage500W
Power Connector8-Pin
FeaturesAMD RDNA 2 Architecture
DirectX 12 Ultimate
GDDR6 Memory
PCI Express 4.0 Support
AMD FreeSync Technology
DisplayPort 1.4 with DSC
HDMI 2.1 VRR
Video Streaming up to 8K
Radeon VR Ready Premium
AMD FidelityFX
Radeon Image Sharpening
Radeon Anti-Lag
Radeon Software
Game Driver Optimizations
Form FactorATX
Max GPU Length193 mm
Card Dimensions (L x H)7.60" x 4.73"
Slot Width2 Slots
Shipping weight0.73 kg
Package size264 × 165 × 61 mm

Questions about this item

What PCIe slot version and supplementary power connector does the 11310-04-20G require?

The card uses a PCI Express 4.0 x16 slot and draws auxiliary power through a single 8-pin connector; ensure your power supply provides that lead before fitting the board.

Which driver package should be installed first when adding this Radeon RX 6600 to a fresh Windows build?

Download the latest AMD Adrenalin Edition driver for the Radeon RX 6000 Series, run the installer before inserting the card, then seat the GPU and connect the display cables.

How often should the dual-fan cooler on this Pulse model be cleaned to maintain the 140W thermal design power rating?

Remove dust from both fans and the heatsink fins every six months using compressed air; this keeps temperatures stable under the 2491 MHz boost clock.

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